The Mineralogic, Petrographic and Ion Exchange Capacity Features Of Tuffs Containing Chabazite and Phillipsite Minerals In Sandıklı (Afyon) Region and Their Usage In Agriculture (Southwest Anatolia, Turkey)
The study area is located in southern part of Sandýklý town (Afyon-southwest Anatolia). The volcanics of Sandıklıý region in the investigated area are represented by lavas and pyroclastic rocks of Middle-Late Miocene age. The Lavas occur as trachyandesitic, phonolitic tephritic, basaltic andesitic, basaltic trachy-nephelinitic, andesitic and dacitic in compositions. Pyroclastic rocks are composed of lapillistone, tuffaceous conglomerate, tuffaceous sandstone, tuffaceous siltstone and tuffaceous mudstone, and also have vitric and crystal vitric tuffs in thrachyandesitic, phonolitic and tephritic compositions. In the tuffs located at the northern part of the investigated area the chabazite occurrences, and in the tuffs located at the southern part the phillipsite occurrences are found widespread. In phillipsitic tuffs, three-phillipsite forms were defined namely potassium-sodium-aluminum-silicate hydrate, sodium-aluminium-silicate hydrate and potassium-calcium-aluminum-silicate hydrate froms. In tuff samples purified with tetrabrom ethane the zeolite contents by weight mostly between 29.00 wt.% and 63.00 wt.%. After the activation of the tuff samples with 0.1N HCl and 0.1N H2SO4, their cation exchange features were investigated. In the tuffs activated with both acids, Ca+2 content with respect to other cation contents has been passed too much to the solutions depending on time. But those activated with 0.1N HCl, as depending on time, Ca+2 content has been passed as more linear to the solutions. When we consider of ion exchange capacity and selection of the radioactive cations such as 137Cs and 90Sr and 40K of chabazite and phillipsite, zeolitic tuffs may be used for the improvement of soil, stabilization of pH of acidic soils and to prevent to the passing of the radioactive elements from nature to the environment and biological systems. Because of activated natural zeolites tend to the increase of the resorption and adsorption of moisture which contributes to the plant development, activated natural zeolitic tuffs may be used as desiccants. For the adsorption of the ammonium smells arisen from urine and faecal matter, it is thought that zeolitic tuffs may be used to separate methane from other gasses. Besides, it is believed that it is possible to use them as building stone for heating and air conditioner for small houses and animal shelters.
The Mineralogic, Petrographic and Ion Exchange Capacity Features Of Tuffs Containing Chabazite and Phillipsite Minerals In Sandıklı (Afyon) Region and Their Usage In Agriculture (Southwest Anatolia, Turkey)
The study area is located in southern part of Sandýklý town (Afyon-southwest Anatolia). The volcanics of Sandıklıý region in the investigated area are represented by lavas and pyroclastic rocks of Middle-Late Miocene age. The Lavas occur as trachyandesitic, phonolitic tephritic, basaltic andesitic, basaltic trachy-nephelinitic, andesitic and dacitic in compositions. Pyroclastic rocks are composed of lapillistone, tuffaceous conglomerate, tuffaceous sandstone, tuffaceous siltstone and tuffaceous mudstone, and also have vitric and crystal vitric tuffs in thrachyandesitic, phonolitic and tephritic compositions. In the tuffs located at the northern part of the investigated area the chabazite occurrences, and in the tuffs located at the southern part the phillipsite occurrences are found widespread. In phillipsitic tuffs, three-phillipsite forms were defined namely potassium-sodium-aluminum-silicate hydrate, sodium-aluminium-silicate hydrate and potassium-calcium-aluminum-silicate hydrate froms. In tuff samples purified with tetrabrom ethane the zeolite contents by weight mostly between 29.00 wt.% and 63.00 wt.%. After the activation of the tuff samples with 0.1N HCl and 0.1N H2SO4, their cation exchange features were investigated. In the tuffs activated with both acids, Ca+2 content with respect to other cation contents has been passed too much to the solutions depending on time. But those activated with 0.1N HCl, as depending on time, Ca+2 content has been passed as more linear to the solutions. When we consider of ion exchange capacity and selection of the radioactive cations such as 137Cs and 90Sr and 40K of chabazite and phillipsite, zeolitic tuffs may be used for the improvement of soil, stabilization of pH of acidic soils and to prevent to the passing of the radioactive elements from nature to the environment and biological systems. Because of activated natural zeolites tend to the increase of the resorption and adsorption of moisture which contributes to the plant development, activated natural zeolitic tuffs may be used as desiccants. For the adsorption of the ammonium smells arisen from urine and faecal matter, it is thought that zeolitic tuffs may be used to separate methane from other gasses. Besides, it is believed that it is possible to use them as building stone for heating and air conditioner for small houses and animal shelters.
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- ISSN: 0026-4563
- Yayın Aralığı: Yılda 3 Sayı
- Başlangıç: 1950
- Yayıncı: Cahit DÖNMEZ